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Piano Keyboard

Last Harmonic LLCMusic

View in the App Store
On iPhone Duo

Letterboxed

Piano Keyboard runs in an iPhone-sized window with black bars.

Want Piano Keyboard to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 17.0 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 1.0.3
Build
iOS 17.0 SDK
Latest version
1.0.3, Feb 23, 2025
Status updated

What owners report

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Version history

  1. Version 1.0.3Letterboxed

    iOS 17.0 SDK

    Checked Oct 27, 2026

Sources

  1. App Store build, version 1.0.3

    Built with the iOS 17.0 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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